.sn__setting {
    position: absolute;
    left: 50%;
    margin-left: -400px;
    width: 800px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    z-index: 50;
}

.sn__setting span {
    padding: 12px 18px;
    margin: auto 0;
    font-size: 22px;
    letter-spacing: 2px;
    background: #000;
    opacity: .5;
    color: #fff;
    border-radius: 10px;
}